Merge tag 'v5.15.70' into lf-5.15.y

This is the 5.15.70 stable release

* tag 'v5.15.70': (2444 commits)
  Linux 5.15.70
  ALSA: hda/sigmatel: Fix unused variable warning for beep power change
  cgroup: Add missing cpus_read_lock() to cgroup_attach_task_all()
  ...

Signed-off-by: Jason Liu <jason.hui.liu@nxp.com>

 Conflicts:
	arch/arm/boot/dts/imx6ul.dtsi
	arch/arm/mm/mmu.c
	arch/arm64/boot/dts/freescale/imx8mp-evk.dts
	drivers/gpu/drm/imx/dcss/dcss-kms.c
	drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
	drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.h
	drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
	drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
	drivers/soc/fsl/Kconfig
	drivers/soc/imx/gpcv2.c
	drivers/usb/dwc3/host.c
	net/dsa/slave.c
	sound/soc/fsl/imx-card.c

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 292013bb35d5..7947147f7612 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -6044,6 +6044,11 @@ re_enumerate_no_bos:
  * the reset is over (using their post_reset method).
  *
  * Return: The same as for usb_reset_and_verify_device().
+ * However, if a reset is already in progress (for instance, if a
+ * driver doesn't have pre_ or post_reset() callbacks, and while
+ * being unbound or re-bound during the ongoing reset its disconnect()
+ * or probe() routine tries to perform a second, nested reset), the
+ * routine returns -EINPROGRESS.
  *
  * Note:
  * The caller must own the device lock.  For example, it's safe to use
@@ -6077,6 +6082,10 @@ int usb_reset_device(struct usb_device *udev)
 		return -EISDIR;
 	}
 
+	if (udev->reset_in_progress)
+		return -EINPROGRESS;
+	udev->reset_in_progress = 1;
+
 	port_dev = hub->ports[udev->portnum - 1];
 
 	/*
@@ -6141,6 +6150,7 @@ int usb_reset_device(struct usb_device *udev)
 
 	usb_autosuspend_device(udev);
 	memalloc_noio_restore(noio_flag);
+	udev->reset_in_progress = 0;
 	return ret;
 }
 EXPORT_SYMBOL_GPL(usb_reset_device);